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Shutdown and Service
Before Servicing
•
To avoid electric shock, turn off EasyKey™ power
before servicing.
•
Servicing EasyKey™ display exposes you to high
voltage. Shut off power at main circuit breaker
before opening enclosure.
•
All electrical wiring must be done by a qualified
electrician and comply with all local codes and reg-
ulations.
•
Do not substitute system components as this may
impair intrinsic safety.
1. Follow "Pressure Relief Procedure" on page 5.
2. Close main air shutoff valve on air supply line and
on ProMix™ Auto.
3. Shut off ProMix™ Auto power (0 position). F
4. If servicing EasyKey™ Display, also shut off power
at main circuit breaker.
F
. 1 Power Switch
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After Servicing
After servicing the system, be sure to follow the
Start Up checklist and procedure in the ProMix™ Auto
Operation manual 311079.
311395A
Pressure Relief Procedure
Follow Pressure Relief Procedure when you stop
spraying, before changing spray tips, and before clean-
ing, checking, or servicing equipment. Read warnings,
page 3.
1. While in Mix mode (dispensing mix material), isolate
the A and B fluid supply.
2. Push the manual override on the A and B dispense
valve solenoids to relieve pressure. F
If Dose alarm occurs, clear alarm.
3. Purge mix material following the Purging section in
the ProMix™ Auto Operation Manual (311079).
4. Isolate the solvent fluid supply.
5. Initiate purge sequence following the Purging sec-
. 1.
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tion in the ProMix
(311079).
6. Verify the solvent pressure is reduced to 0.
If Purge Volume alarm occurs, clear alarm.
0 = OFF
Solenoid
Button
F
. 2 Wall Mount Fluid Supply Solenoids
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Shutdown and Service
. 2.
IG
™
Auto Operation Manual
5
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